#box .top {
  width: 100%;
}
#box .top .input {
  width: 200px;
  margin-right: 20px;
}
#box .center .centerbox .span {
  width: 100%;
  display: flex;
  justify-content: space-between;
  flex: 1;
  font-size: 16px;
  padding-right: 8px;
}
#box .center .centerbox .span .btn {
  height: 25px;
}
